Home / 6,920,825.88-9,551,012.84-3,980,638.24

Finding the Fourth Proportional to 6,920,825.88, 9,551,012.84 and 3,980,638.24

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Solution

The fourth proportional to 6,920,825.88, 9,551,012.84 and 3,980,638.24 is: 5,493,437.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920,825.88 : 9,551,012.84 = 3,980,638.24 : x
  2. Step 2: Convert to fraction form
    6,920,825.88/9,551,012.84 = 3,980,638.24/x
  3. Step 3: Cross multiply
    6,920,825.88x = 9,551,012.84 × 3,980,638.24
  4. Step 4: Simplify right side
    6,920,825.88x = 38,019,126,941,635
  5. Step 5: Solve for x
    x = 38,019,126,941,635/6,920,825.88
  6. Step 6: Final answer
    x = 5,493,437.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.